Door lock and mounting for instrument panel compartment



May 8, 1956 c. P. MOCLELLAND DOOR LOCK AND MOUNTING FOR INSTRUMENT PANELCOMPARTMENT Filed Nov. 1, 1952 U/arem'e DOOR LOCK AND MOUNTING FORINSTRUMENT PANEL COMPARTMENT Application November 1, 1952, Serial No.318,187 Claims. (Cl. 701-81) The present invention relates to door locksand more particularly to mounting means for securing locks to panels ordoors such as are employed on glove compartments of an automotivevehicle.

The glove compartments of automotive vehicles are frequently subjectedto pilfering by unauthorized persons.- The mounting means presentlyemployed for retaining the lock on the glove compartment door generallyhave a chrome-plated bezel which is disposed on theexterior of the door.The bezel is frequently fabricated from a relatively thin piece of stockand is crimpedor otherwise externally secured to the lock housing so asto retain the key barrel in the housing. Therefore, it is easy todestroy the bezel and remove the lock from the door whilethe door isclosed. Thus, it is possible for a person to unauthorizedly gain accessto the glove compartment without ever actuating the key barrel.

It is an object of the present invention vto provide a mounting'meansfor a door lock which will be extremely difiicult, if not impossible, toremove when the door is in the locked position.

It is also an object to provide a mounting means for a door lock whichcan not be removed when the key barrel is disposed in the lock housing.

In the drawing:

Fig. 1 is a cross-sectional view of a door lock embodying the presentinvention.

Fig. '2 is an end view of the lock structure shown in Fig. 1. p

Fig. 3 is an exploded perspective view of the lock shown in Fig. 1.

Referring to the drawings in more detail, a door 1 formed by inner andouter panels 2 and 4 is hinged along its lower edge for swinging intoand out of engagement with the stationary framework 6 that forms a glovecompartment 8. A lock 10 is disposed in the registering apertures 12 and14 through the inner and outer panels 2 and 4 and has a spring loadedbolt 16 which engages a downwardly projecting flange 18 on thestationary framework 6.

The operation of the lock 10 is controlled by a key barrel 20'which isoperatively positioned in an elongated substantially cylindrical housingmember 22. The portion of the housing member 22 which projects into theglove compartment 8 is closed by an end piece 24. The bolt 16 engagingthe flange 18 on theframework 6 is slidably disposed in the housing 22adjacent to the end piece 24. A bell crank 28 is pivotally mounted in achannel 30 extending along the bottom of the housing member 22 andoperatively engages the bolt 16 and a spring, which is not shown,normally causes the'bell crank 28 to urge the bolt 16 into the extendedposition. When a pushing force large enough to overcome the springtension is applied to the end 32 of the bell crank 28, the crank 28 willpivot and draw the bolt 16 downwardly into the housing member 22. Thisin turn will cause the bolt 16 to disengage the flange 18 and allow thedoor 1 to swing into the open position.

A second channel 34 which is diametrically'opposite the lower channel30, extends axially along the upper portion of the housing member 22 andreceives the tumblers 36 projecting from the key, barrel 20. When thekey barrel 20 is in the locked position, as seen in Fig. l, the tumblers36 will project into the channel 34 and the end of the key barrel 38will engage the detent 40 projecting inwardly from the top of thehousing member 22. This in turn will effectively prevent axial androtary movement of the barrel 20.

The enlarged end 42 of the housing member 22 forms ashoulder 44 that isadapted to engage the inside of the outer panel 4. A projection. 46 maybe provided on the shoulder 44 to prevent rotation of the housing member22 and to insure that the opening in the end of the housing 22 registerswith the aperture 14 through the outer panel 4. Cooperating fasteningmeans such as threads 47 and 48 may be provided on the interiorand'exterior of the housing member 22 and sleeve member 50 to secure thetwo members together. I

The sleeve member 50 may be provided with a flange 52 which projectsradially outwardly therefrom. The exterior of the flange may form adecorative bezel 54 that is disposed about the key barrel 20 and thesurface of which is preferably too smooth to be gripped by a tool. Theinside of the flange 52 forms a shoulder 56 that engages the exterior ofthe outer panel 4 and cooperates with the shoulder 44 on the housingmember 22 to form a clamp therebetween. To facilitate assembling thelock 10 the interior of the sleeve 50 is provided with means, such asthe numerous faces 58, which may be engaged by a tool for screwing thesleeve 50 into or out of the housing member 22. Thus when the sleeve 50is screwed into position, the housing member 22 will be retained inposition as a result of the clamping action performed by the oppositelydisposed shoulders 44 and 56 on said members 22 and 50. It should benoted that since the exterior of the bezel 54 is smooth the sleeve 50can not be removed without gripping the interior thereof. a

The key barrel 20 which is movably disposed within the housing 22 andsleeve member 50 has a spring biased pin 60 which projects outwardlytherefrom. When the pin 60 is in the extended position it will strike ashoulder 62 and prevent removal of the key barrel 20. In the presentinstance this shoulder 62 is formed by the end of sleeve member 50. Theend of sleeve member 50 is preferably positioned to form an annularrecess 64 adjacent shoulder 65 which extends around the interior of thehousing member 22. Since the recess 64 is annular and of sufiicientwidth, the pin 60 will not interfere with the rotating and reciprocatingmovement of said key barrel 20 during normal operation thereof. Passagesmay be provided through the inner panel 2 and the housing member 22 topermit a tool being employed for depressing the pin 60. By positioningthe passages 70 behind the outer panel 4 it will be necessary for thedoor 1 to be open to remove the key barrel 20.

As previously stated when the key barrel 20 is in the locked position ofFig. 1, the barrel 20 will be restrained from rotating or reciprocating.However, when a key of the correct shape is inserted into the key barrel22 the tumblers 36 will be Withdrawn from the channel 34 and the barrel20 may be rotated. When the barrel 2.0 is rotated into the unlockedposition, a recessed portion 72 on the side of the key barrel 20 will bein line with the detent 40. Thus upon the application of a pushing forceto the outer end of the key barrel 20, the key barrel 20 Will slideinwardly and cause the bell crank 28 to draw the bolt 16 into thehousing member. 22 and out of engagement with the flange 18.

To assemble the lock 10 on the door 1, the enlarged end 42 of thehousing member 22 is placed to register with the aperture 14 through theouter panel 4. The sleeve member 50 is then inserted into the open endof the housing member 22 and with the assistance of a tool placed in thecenter of sleeve member 50 the two members 22 and 50 are screwedtogether until the outer panel 4 is clamped between the opposedshoulders 44 and 56. This will result in the housing member 22 beingrigidly secured in position. The tumblers 36 and retractable pin 60 arethen forced into the key barrel 20 and the key barrel placed inside ofthe housing member 22. Once the key barrel 20 is in position, the pin 60will be extended so as to engage the shoulder 62 and prevent removal ofthe barrel 25!.

To remove the lock assembly 10 from the door I, it is first necessary toplace the door 1 in the open position. A tool is then inserted throughthe passages 70 in the inner panel 2 and the side of the housing member22 so as to depress the pin 60 and the barrel 20 is removed from thesleeve. It should be noted that unless the correct key is in the keybarrel 20, the tumblers 36 will project outwardly therefrom and preventthe removal of the barrel 20 from the sleeve member 50. Once the barrel20 is removed from the sleeve member 50 a tool may be inserted into thesleeve member and rotated until the sleeve is disconnected from thehousing 22.

While but one embodiment has been illustrated and described it will beapparent to anyone skilled in the art that the invention may be embodiedin numerous other specific forms without departing from the spiritthereof. It is therefore desired that the present embodiment beconsidered in all respects illustrative and not restrictive, referencebeing bad to the appended claims rather than to the foregoingdescription to determine the scope of the invention.

What is claimed is:

I. A door lock adapted to be secured to a panel having an aperturetherethrough, comprising a housing member adapted to be disposedadjacent said aperture and having fastening means adjacent one endthereof, a sleeve member having fastening means thereon engaging saidfirst fastening means and thereby securing said sleeve member to saidhousing member, oppositely disposed shoulder means on said membersadapted to engage said panel and to retain said housing member adjacentsaid aperture, :1 key barrel disposed Within said members and having apin retractably projecting therefrom, and annular shoulder means on eachof said members positioned to form a ber adapted to be disposed at saidaperture, a sleeve member secured to said housing member, said membershaving opposed shoulders thereon adapted to engage said panel and toretain said housing member at said aperture, a lock cylinder positionedin said housing member and having a retractable pin projectingtherefrom, shoulder means on each of said members positioned to form arecess therebetweenadapte'd to receive said pin when in the extendedposition and thereby retain said lock cylinder in said housing member,and an aperture through said housing member adapted to allow a tool topass therethrough to depress said pin and to release said lock cylinderfrom said housing.

3. A latching mechanism adapted to secure a panel having an aperturetherethrough to a stationary frame, said mechanism comprising a housingmember adapted to be disposed at said aperture and having fasteningmeans thereon adjacent one end thereof, a sleeve member having fasteningmeans thereon engaging said first fastening means and thereby securingsaid sleeve member to said housing member, oppositely disposed shouldermeans on said members adapted to engage said panel and to retain saidhousing member at said aperture, a reciprocating bolt projecting fromsaid housing and being adapted to engage said stationary frame, a keyactuated lock cylinder having a pin retractably projecting therefrom,said cylinder being operatively associated with said bolt, shouldermeans on each of said members spaced to form a recess adapted to receivesaid pin to retain said lock cylinder in said housing, and one of saidmembers having an opening therethrough to permit a tool to engage anddepress said retractable pin and thereby facilitate the removal of saidlock cylinder from said housing member when said bolt is disengaged fromsaid frame.

4. A door lock adapted to be secured to a panel having an aperturetherethrough and comprising a housing member adapted to be disposedadjacent said aperture and having fastening means thereon, a sleevemember having fastening means thereon cooperatively engaging said firstfastening means, opposed shoulders disposed upon said members adapted toreleasably clamp said panel therebetween when said fastening means arein engagement, one of said members having a portion thereof adapted tobe engaged by a tool for releasing said fastening means, and keyactuated means disposed upon said members so as to prevent said toolfrom engaging said portion.

5. A door lock adapted to be secured to a panel having an aperturetherethrough, comprising a housing member adapted to be disposedadjacent said aperture and having a threaded portion thereon, a sleevemember having a threaded portion thereon which is adapted tocooperatively engage said first threaded portion, opposed shoulder meansdisposed upon said members and adapted to releasably clamp said paneltherebetween when said threaded portions are in engagement, toolreceiving means on one of said members adapted for disengaging saidthreaded portions and thereby releasing said housing member from saidaperture, and a key barrel disposed upon one of said members wherebysaid tool will be prevented from engaging said tool receiving means.

6. Latching means adapted to secure a panel having an aperturetherethrough to a stationary frame, said means comprising a housingmember adapted to the disposed at said aperture and having a threadedportion adjacent one end thereof, a sleeve member having a threadedportion thereon adapted to engage said first threaded portion, opposedclamp means projecting from said members and adapted to clamp said paneltherebetween when said threaded portions are in an engagement, one ofsaid members having a cavity therein adapted to receive a tool forunscrewing said threaded portions and thereby releasing said membersfrom said aperture, a key actuated lock cylinder disposed within saidcavity and having a pin retractably projecting therefrom, and annularshoulder means on each of said members positioned to form a recesstherebetween adapted to receive said pin and thereby retain said lockcylinder in said cavity.

7. A latching mechanism adapted to secure a panel having an aperturetherethrough to a stationary frame, said mechanism comprising a housingmember adapted to be disposed at said aperture and having a threadedportion adjacent one end thereof, a sleeve member having a threadedportion thereon adapted to engage said first threaded portion, opposedclamp means projecting from said members and adapted to clamp said paneltherebetween when said threaded portions are in engagement, one of saidmembers having a cavity therein adapted to receive a tool for unscrewingsaid threaded portions and thereby releasing said members from saidaperture, annular shoulder means on one of said members, a key actuatedlock cylinder disposed within said cavity and having a pin retractablyprojecting therefrom and engaging said annular shoulder means to therebyretain said lock cylinder in said cavity, one of said members having anopening therethrough to permit a tool to engage said retractable pinwhen said panel is in the unlocked position to thereby release said lockcylinder from said cavity.

8. Door latching means adapted to secure a panel having an aperturetherethrough to a stationary frame, said means comprising a housingmember adapted to be disposed adjacent said aperture and havingfastening means thereon, a sleeve member having fastening means thereonadapted to cooperatively engage said first fastening means, opposedclamp means projecting from said members and adapted to grip said panelwhen said fastening means are in engagement, one of said members havinga cavity therein adapted to receive a tool for disengaging saidfastening means, and a lock cylinder disposed within said cavity so asto prevent said tool being inserted into said cavity and thereby preventunauthorized removal of said fastening means from said panel.

9. Door latching means adapted to secure a panel having an aperturetherethrough to a stationary frame, said means comprising a housingmember adapted to be disposed at said aperture and having a threadedportion thereon, a sleeve member having a threaded portion there onadapted to engage said first threaded portion, opposed clamp meansprojecting from said member and adapted to clamp said panel therebetweenwhen said threaded portions are in engagement, one of said membershaving a cavity therein adapted to receive a tool for unscrewing saidthreaded portions and thereby releasing said members from said aperture,and a key actuated lock cylinder disposed within said cavity so as toprevent said tool extending into said cavity and thereby preventunauthorized removal of said members from said panel.

10. A latching mechanism adapted to secure a panel having an aperturetherethrough to a stationary frame, said mechanism comprising a housingmember adapted to be disposed at said aperture and having a threadedportion thereon, a sleeve member having a threaded portion thereoncooperatively engaging said first threaded portion and thereby securingsaid sleeve member to said housing memher, one of said members having acavity therein adapted to receive a tool for unscrewing said threadedportions and thereby releasing said members from said opening, opposedshoulders projecting from said members and being adapted to clamp saidpanel therebetween when said threaded portions are in engagement, a boltprojecting from said housing member and being adapted to engage saidstationary frame, a key actuated lock cylinder disposed within saidcavity and having a pin retractably projecting therefrom, said lockcylinder being operatively associated with said bolt, annular shouldermeans on each of said members positioned to form an annular recessadapted to receive said pin when said pin is in the extended positionand to thereby retain said lock cylinder in said cavity, and a passagethrough one of said members adapted to permit a tool to passtherethrough and depress said retractable pin and thereby release saidlock from said cavity. 1

France Mar. 20, 1939

